First "decent trip" results
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New User
Joined: Nov 2010
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From: No. Ca - Sacramento Delta
First "decent trip" results
Well, I finally was able to get a decent trip under the belt in the new truck. Wife and I went up to Reno over the weekend (basically from Sacramento) over I-80. Was very pleased with the truck. Fortunately (and mad props to Cal-Trans) the road was clear after the heavy snow storms so it was smooth sailing. At 70 mph up the hill - the truck held steady in cruise control never even thinking of down shifting - didn't even need to down shift when accelerating going up the grade. This stretch of I-80 has several 5 and 6 % grades.
On the way home I learned something new (or at least verified it). With cruise control set coming down hill - the truck will automatically downshift to maintain your speed. Had the cruise set at 70 coming down a few of the 6% grades and at about 72 mph it would down shift to 5th to hold the speed. No tapping of the breaks, nothing. Would do it on it's own. I find that pretty sweet.
Anyhow - MPG going to Reno ended at 15.3. MPG at the end of the trip was 16.4. I'm pretty pleased with that considering its a 1 1/2 ton 4 x 4.
Go Pokes!!!
On the way home I learned something new (or at least verified it). With cruise control set coming down hill - the truck will automatically downshift to maintain your speed. Had the cruise set at 70 coming down a few of the 6% grades and at about 72 mph it would down shift to 5th to hold the speed. No tapping of the breaks, nothing. Would do it on it's own. I find that pretty sweet.
Anyhow - MPG going to Reno ended at 15.3. MPG at the end of the trip was 16.4. I'm pretty pleased with that considering its a 1 1/2 ton 4 x 4.
Go Pokes!!!
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New User
Joined: Nov 2010
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From: No. Ca - Sacramento Delta
No - was in standard mode as we weren't hauling anything. I've noticed the down shift before in my daily driving (I live in an area with constant rolling hills) - at 55 - 60, it would down shift going down some of the short hills. Never really thought much of it - but wanted to see how it would work in the mountains. I was pleasantly surprised. Had it not been for traffic, I could have made it from Reno to home (almost 200 mile trip) without hitting the breaks (and that's a total of 9000 feet change of elevation). LOL
Post Fiend
Joined: Jan 2009
Posts: 6,521
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From: Greenwood, SC
Yes, I have this happen too. It's nice when you are unloaded but it is annoying when you are in rolling hills and want the extra 5mph going downhill so you can ride up the next hill without getting into the throttle, I mean with a trailer and cruising at 55/60 on a two lane hwy.
I don't think Tow/Haul is the source of this strategy, rather it's the Cruise Control strategy.
I don't think Tow/Haul is the source of this strategy, rather it's the Cruise Control strategy.
